College Board
2017 AP® Biology Free-Response Questions
With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...
Baylor College
Microbes Are Everywhere
In a nutshell, your class will culture bacteria from their choice of surfaces. You will need to prepare or purchase agar plates. If you are new to this classic biology activity, this resource carefully walks you through the process of...
College Board
2016 AP® Chemistry Free-Response Questions
The College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...
College Board
2018 AP® Physics 2: Algebra-Based Free-Response Questions
While the AP Physics 2 test maintains the reputation for one of the most difficult AP exams, scholars feel better prepared after practicing free-response questions on currents, conservation of energy, and displacement. The College Board...
College Board
AP Physics 1 and 2 Inquiry-Based Lab Investigations
Have you ever wondered what type of AP Physics investigations The College Board wants? This is the guide for you! Sixteen labs covering both Physics I and II will get you started and inspire you to meet the requirement of 25 percent of...
Baylor College
Magnifying and Observing Cells
Though it isn't a novel activity to prepare onion cell and Elodea plant cell slides as examples of cells in a microbiology unit, this resource will leave you thoroughly prepared. As pupils examine the slides that they prepare, they draw...
Baylor College
What Dissolves in Water?
One of water's claims to fame is as the universal solvent. Young physical scientists experiment to discover which materials dissolve in this special compound. You could never be more prepared for teaching this lesson plan than by using...
Baylor College
What Is a One Part Per Million Solution?
Water may appear to be crystal clear, but there could be dissolved substances present. Lab groups make a one-part-per-million of a food coloring solution to demonstrate this concept. As part of an outstanding unit about water, this...
Baylor College
How Can We Find Out What Is in Water?
Using paper chromatography, water watchers discover that several substances might be dissolved even though they aren't visible. For this case, you will prepare a mixture of three different food colorings for them to experiment with. A...
Baylor College
Tools of Magnification
Life science learners need to be able to use a microscope. With this comprehensive resource, they first experience how lenses and magnification work, and then get familiar with using a compound microscope. Tremendous background...
Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
Properties of Useful Carbon Compounds
Nine action-packed organic chemistry exercises are contained in this mini-unit on carbon containing compounds. Examples include constructing models of alkanes, producing aromatic esters, and preparing pigments for paint and dyes....
Curated OER
Identifying and Explaining Reactions
Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in...
BioEd Online
The Skeleton
Don't be chicken to try a lesson plan that compares the anatomy of birds to humans. Read the background information so you don't have to wing it when it comes to the anatomy of a chicken. Prepare cooked chicken bones by soaking them in a...
Baylor College
Food for Kids
Immediately capture the attention of your class with the smell of freshly popped popcorn in the sixth lesson of this series on the needs of living things. Young scientists first use their senses to make and record observations of...
Baylor College
Heart Rate and Exercise
Teach your exercise enthusiasts to read their pulse rate at the radial artery and multiply by four to calculate beats per minute. Learners perform a variety of activities, recording their heart rates after one minute of each. Though this...
Baylor College
What is Blood Pressure?
Find out how we describe the force created by the blood against the walls of the vessels in a heart-pumping lesson! As part of a unit on the heart and circulatory system, cardiology kids use a blood pressure monitor to find their...
Curated OER
Investigating Plant Pigments: A Guided Inquiry Laboratory Experiment
Students participate in a three-part lab in which they investigate plant pigments. Part I is designed to teach basic laboratory techniques of column chromatography, in Part II students design an experiment to separate the components of a...
Curated OER
Magnetism
This set of seven activities attracts physical science stars to concepts concerning magnetism. Pupils play with a lodestone, magnets, needles, and iron filings to understand magnetic forces, fields, and applications. If you are new to...
Curated OER
Atomic Absorption Determination of Zinc and Copper in a Multivitamin
Advanced lab apprentices prepare zinc and copper solutions to which they will compare the same minerals from a multivitamin. Using absorption spectroscopy, they analyze the contents of the multivitamin for concentration. This lab can be...
Curated OER
Warm Up: When Modern Human Behavior Appeared in Early Hominids
Upper graders or entry college level learners use the provided article links to answer three questions regarding early modern human behavior. They compose short essay responses that accommodate each part of the overarching question,...
Curated OER
Chemistry 231, Exam 3
This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...
Curated OER
7.012 F’04 Problem Set 1 ~ Biology
Course identification information is included in the upper left corner as well as within the title of this learning exercise. If you overlook or remove that information, you are left with a tremendous college biology assignment. There...